Home / 18,677,228.08-28,016,700.72-5,722,450.96

Finding the Fourth Proportional to 18,677,228.08, 28,016,700.72 and 5,722,450.96

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Solution

The fourth proportional to 18,677,228.08, 28,016,700.72 and 5,722,450.96 is: 8,583,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,228.08 : 28,016,700.72 = 5,722,450.96 : x
  2. Step 2: Convert to fraction form
    18,677,228.08/28,016,700.72 = 5,722,450.96/x
  3. Step 3: Cross multiply
    18,677,228.08x = 28,016,700.72 × 5,722,450.96
  4. Step 4: Simplify right side
    18,677,228.08x = 160,324,195,931,196.69
  5. Step 5: Solve for x
    x = 160,324,195,931,196.69/18,677,228.08
  6. Step 6: Final answer
    x = 8,583,939.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.